JP2002535985A5 - - Google Patents
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- JP2002535985A5 JP2002535985A5 JP2000597417A JP2000597417A JP2002535985A5 JP 2002535985 A5 JP2002535985 A5 JP 2002535985A5 JP 2000597417 A JP2000597417 A JP 2000597417A JP 2000597417 A JP2000597417 A JP 2000597417A JP 2002535985 A5 JP2002535985 A5 JP 2002535985A5
- Authority
- JP
- Japan
- Prior art keywords
- analyte
- assay
- reporter
- adenylate kinase
- kinase
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000012491 analyte Substances 0.000 description 23
- 238000004166 bioassay Methods 0.000 description 15
- 102000002281 Adenylate Kinase Human genes 0.000 description 11
- 108020000543 Adenylate Kinase Proteins 0.000 description 11
- XTWYTFMLZFPYCI-KQYNXXCUSA-N 5'-adenylphosphoric acid Chemical compound C1=NC=2C(N)=NC=NC=2N1[C@@H]1O[C@H](COP(O)(=O)OP(O)(O)=O)[C@@H](O)[C@H]1O XTWYTFMLZFPYCI-KQYNXXCUSA-N 0.000 description 7
- 102000004190 Enzymes Human genes 0.000 description 6
- 108090000790 Enzymes Proteins 0.000 description 6
- 102000004965 antibodies Human genes 0.000 description 6
- 108090001123 antibodies Proteins 0.000 description 6
- 102000034451 ATPases Human genes 0.000 description 5
- 108091006096 ATPases Proteins 0.000 description 5
- 102000030951 Phosphotransferases Human genes 0.000 description 5
- 108091000081 Phosphotransferases Proteins 0.000 description 5
- 238000001514 detection method Methods 0.000 description 5
- 239000000758 substrate Substances 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 3
- 230000002407 ATP formation Effects 0.000 description 2
- ZKHQWZAMYRWXGA-KQYNXXCUSA-N Adenosine triphosphate Chemical compound C1=NC=2C(N)=NC=NC=2N1[C@@H]1O[C@H](COP(O)(=O)OP(O)(=O)OP(O)(O)=O)[C@@H](O)[C@H]1O ZKHQWZAMYRWXGA-KQYNXXCUSA-N 0.000 description 2
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- IGXWBGJHJZYPQS-SSDOTTSWSA-N D-Luciferin Chemical compound OC(=O)[C@H]1CSC(C=2SC3=CC=C(O)C=C3N=2)=N1 IGXWBGJHJZYPQS-SSDOTTSWSA-N 0.000 description 1
- 229940088597 Hormone Drugs 0.000 description 1
- 239000005089 Luciferase Substances 0.000 description 1
- 108060001084 Luciferase family Proteins 0.000 description 1
- 102000030002 Prion Proteins Human genes 0.000 description 1
- 108091000054 Prion Proteins Proteins 0.000 description 1
- 231100000765 Toxin Toxicity 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000002255 enzymatic Effects 0.000 description 1
- 238000005755 formation reaction Methods 0.000 description 1
- 239000005556 hormone Substances 0.000 description 1
- 230000002779 inactivation Effects 0.000 description 1
- 239000002207 metabolite Substances 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 102000004196 processed proteins & peptides Human genes 0.000 description 1
- 108090000765 processed proteins & peptides Proteins 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
- 239000003053 toxin Substances 0.000 description 1
- 108020003112 toxins Proteins 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Description
【特許請求の範囲】
【請求項1】 分析物に対するアッセイであって、該分析物を熱安定性リポーターキナーゼと特異的に結合させる工程、ADPを添加する工程、およびATPの形成についてテストする工程を含み、ADPの添加前に、リポーターキナーゼ以外のキナーゼが洗浄によって実質的に除去され、そして該分析物中の残りの内因性キナーゼが加熱により不活性化される、アッセイ。
【請求項2】 前記熱安定性リポーターキナーゼがリポーターアデニル酸キナーゼであり、そして前記分析物と特異的に結合したリポーターアデニル酸キナーゼの量が、分析物の量と実質的に比例する、請求項1に記載のアッセイ。
【請求項3】 前記ATPの形成が、ルシフェリン/ルシフェラーゼを使用して測定される、請求項1または2に記載のアッセイ。
【請求項4】 試料中の分析物の存在および/または量を測定するための請求項1から3のいずれかの項に記載のアッセイであって、
該試料を、該分析物に特異的な結合剤にカップリングしたリポーターアデニル酸キナーゼに曝露して、該リポーターアデニル酸キナーゼが該試料中に存在する分析物と特異的に結合する工程;
分析物と特異的に結合しないリポーターアデニル酸キナーゼを除去する工程;
該分析物と特異的に結合したリポーターアデニル酸キナーゼをADPに曝露する工程;および
ATPの形成についてテストする工程、を含み、
ADPの添加前に、リポーターアデニル酸キナーゼ以外の残りのアデニル酸キナーゼが、加熱により実質的に除去される、アッセイ。
【請求項5】 ATPアーゼを前記分析物に添加する工程、およびADPの添加前に該分析物から該ATPアーゼを除去する工程を含む、請求項1から4のいずれかの項に記載のアッセイ。
【請求項6】 前記ATPアーゼが、該ATPアーゼを加熱することによって不活性化される、請求項5に記載のアッセイ。
【請求項7】 試料中の分析物の存在および/または量を測定するための試薬キットであって、
該分析物または該分析物に特異的な抗体が固定された固相;
該分析物に特異的な抗体にカップリングした熱安定性アデニル酸キナーゼを含むリポーター組成物;および
熱安定性アデニル酸キナーゼによるADPのATPへの変換のためのADPプラス関連試薬、を含む、キット。
【請求項8】 さらにATPアーゼを含む、請求項7に記載のキット。
【請求項9】 試料中の分析物の存在および/または量を測定するためのアッセイであって、
該試料を検出組成物に曝露する工程であって、該検出組成物が、熱安定性酵素にカップリングした該分析物に特異的な抗体を含む、工程;
分析物に特異的に結合した検出組成物(i)を分析物に特異的に結合しなかった検出組成物(ii)から単離する工程;および
該熱安定性酵素に対する基質を添加することによって、分析物に結合した検出組成物の存在および/または量を測定する工程;を含み、
該基質を添加する前に、非熱安定性酵素が熱の適用によって破壊される、アッセイ。
【請求項10】 基質が前記熱安定性酵素によって生成物に変換され、そして該基質の添加前に、該生成物と同一のバックグラウンド化合物が除去される、請求項9に記載のアッセイ。
【請求項11】 前記生成物と同一のバックグラウンド化合物が、酵素の作用または熱不活性化によって除去される、請求項10に記載のアッセイ。
【請求項12】 請求項1から6および9から11のいずれかの項に記載のアッセイにおける使用のための、熱安定性酵素に結合した抗体を含む、結合体。
【請求項13】 前記酵素がアデニル酸キナーゼである、請求項12に記載の結合体。
【請求項14】 前記抗体が、タンパク質、微生物、ペプチド、毒素、ホルモン、および代謝物から選択される分析物に結合する、請求項12または13に記載の結合体。
【請求項15】 前記抗体がプリオンタンパク質に結合する、請求項14に記載の結合体。
【請求項16】 分析物に対するアッセイにおける請求項7または8に記載のキットあるいは請求項12から15のいずれかの項に記載の結合体の使用。
[Claims]
1. An assay for an analyte, the method comprising specifically binding the analyte to a thermostable reporter kinase, adding ADP, and testing for ATP formation, wherein the addition of ADP is performed. Previously, an assay wherein kinases other than the reporter kinase are substantially removed by washing and the remaining endogenous kinase in the analyte is inactivated by heating.
2. The thermostable reporter kinase is a reporter adenylate kinase, and the amount of the reporter adenylate kinase specifically bound to the analyte is substantially proportional to the amount of the analyte. 2. The assay according to 1.
3. The assay according to claim 1, wherein the formation of ATP is measured using luciferin / luciferase.
4. The assay according to claim 1, for determining the presence and / or amount of an analyte in a sample,
Exposing said sample to a reporter adenylate kinase coupled to a binding agent specific for said analyte, wherein said reporter adenylate kinase specifically binds to an analyte present in said sample;
Removing reporter adenylate kinase that does not specifically bind to the analyte;
Exposing a reporter adenylate kinase specifically bound to the analyte to ADP; and testing for ATP formation;
Assay wherein the remaining adenylate kinase other than the reporter adenylate kinase is substantially removed by heating prior to the addition of ADP.
5. The assay according to claim 1, comprising adding an ATPase to the analyte, and removing the ATPase from the analyte before adding ADP. .
6. The assay of claim 5, wherein said ATPase is inactivated by heating said ATPase.
7. A reagent kit for determining the presence and / or amount of an analyte in a sample, comprising:
A solid phase on which the analyte or an antibody specific to the analyte is immobilized;
A reporter composition comprising a thermostable adenylate kinase coupled to an antibody specific for the analyte; and an ADP plus related reagent for the conversion of ADP to ATP by the thermostable adenylate kinase. .
8. The kit according to claim 7, further comprising an ATPase.
9. An assay for determining the presence and / or amount of an analyte in a sample, the assay comprising:
Exposing said sample to a detection composition, said detection composition comprising an antibody specific for said analyte coupled to a thermostable enzyme;
Isolating the detection composition (i) specifically bound to the analyte from the detection composition (ii) not specifically bound to the analyte; and adding a substrate for the thermostable enzyme Measuring the presence and / or amount of the detection composition bound to the analyte;
An assay in which the non-thermostable enzyme is destroyed by the application of heat before adding the substrate.
10. The assay of claim 9, wherein a substrate is converted to a product by said thermostable enzyme and prior to addition of said substrate, background compounds identical to said product are removed.
11. The assay according to claim 10, wherein the same background compound as the product is removed by enzymatic action or heat inactivation.
12. A conjugate comprising an antibody conjugated to a thermostable enzyme for use in an assay according to any one of claims 1 to 6 and 9 to 11.
13. The conjugate of claim 12, wherein said enzyme is adenylate kinase.
14. The conjugate of claim 12, wherein said antibody binds to an analyte selected from proteins, microorganisms, peptides, toxins, hormones, and metabolites.
15. The antibody you bind to prion protein conjugate according to claim 14.
16. Use of a kit according to claim 7 or 8 or a conjugate according to any of claims 12 to 15 in an assay for an analyte.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GBGB9902659.3A GB9902659D0 (en) | 1999-02-05 | 1999-02-05 | Assay with reduced background |
GB9902659.3 | 1999-02-05 | ||
PCT/GB2000/000315 WO2000046357A1 (en) | 1999-02-05 | 2000-02-03 | Assay with reduced background |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2002535985A JP2002535985A (en) | 2002-10-29 |
JP2002535985A5 true JP2002535985A5 (en) | 2007-04-19 |
Family
ID=10847233
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2000597417A Pending JP2002535985A (en) | 1999-02-05 | 2000-02-03 | Assays with reduced background |
Country Status (12)
Country | Link |
---|---|
US (3) | US6913896B1 (en) |
EP (1) | EP1151087B1 (en) |
JP (1) | JP2002535985A (en) |
AT (1) | ATE394478T1 (en) |
AU (1) | AU774580B2 (en) |
CA (1) | CA2360779C (en) |
DE (1) | DE60038788D1 (en) |
DK (1) | DK1151087T3 (en) |
ES (1) | ES2304940T3 (en) |
GB (1) | GB9902659D0 (en) |
PT (1) | PT1151087E (en) |
WO (1) | WO2000046357A1 (en) |
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US9134303B1 (en) | 1998-08-25 | 2015-09-15 | Alere Scarborough, Inc. | ICT immunoassay for Legionella pneumophila serogroup 1 antigen employing affinity purified antibodies thereto |
GB9902659D0 (en) * | 1999-02-05 | 1999-03-31 | Microbiological Res Authority | Assay with reduced background |
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WO2007123345A1 (en) * | 2006-04-21 | 2007-11-01 | Peoplebio, Inc. | Method for differentially detecting multimeric form from monomeric form of multimer-forming polypeptides through three-dimensional interactions |
US10466245B2 (en) | 2008-02-20 | 2019-11-05 | The Secretary Of State For Health | Covalently linked thermostable kinase for decontamination process validation |
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US8183007B2 (en) | 2008-07-22 | 2012-05-22 | Promega Corporation | ADP detection based methods using adenylate cyclase and bioluminescence |
EP2359133B1 (en) * | 2008-11-03 | 2013-07-17 | Cytosignet, Inc. | Determining immunoglobulins in non-blood body fluids of neonatal ungulates |
GB0900151D0 (en) * | 2009-01-07 | 2009-02-11 | Health Prot Agency | rapid bioluminescence detection system |
GB0918016D0 (en) * | 2009-10-14 | 2009-12-02 | Univ Portsmouth | Biosensor |
JP5705448B2 (en) * | 2010-03-31 | 2015-04-22 | アクアス株式会社 | Microbial activity evaluation method, and water-based microorganism control method using the evaluation method |
WO2012170998A1 (en) * | 2011-06-10 | 2012-12-13 | Cornell University | Immobilized protein system for rapid and enhanced multiplexed diagnostics |
GB201115911D0 (en) | 2011-09-14 | 2011-10-26 | Health Prot Agency | Thermostable assay reagents |
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EP4036579A1 (en) | 2013-03-15 | 2022-08-03 | Arizona Board of Regents on behalf of Arizona State University | Biosensor microarray compositions and methods |
US20170231539A1 (en) * | 2014-08-15 | 2017-08-17 | Hoope Technologies Corporation | Devices and methods for fluid sample collection and diagnostic testing |
JP6510041B2 (en) | 2014-10-08 | 2019-05-08 | プロメガ コーポレイションPromega Corporation | Bioluminescent succinate detection assay |
US9815886B2 (en) | 2014-10-28 | 2017-11-14 | Adma Biologics, Inc. | Compositions and methods for the treatment of immunodeficiency |
US10259865B2 (en) | 2017-03-15 | 2019-04-16 | Adma Biologics, Inc. | Anti-pneumococcal hyperimmune globulin for the treatment and prevention of pneumococcal infection |
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GB9902659D0 (en) * | 1999-02-05 | 1999-03-31 | Microbiological Res Authority | Assay with reduced background |
-
1999
- 1999-02-05 GB GBGB9902659.3A patent/GB9902659D0/en not_active Ceased
-
2000
- 2000-02-03 CA CA2360779A patent/CA2360779C/en not_active Expired - Lifetime
- 2000-02-03 AT AT00901771T patent/ATE394478T1/en active
- 2000-02-03 PT PT00901771T patent/PT1151087E/en unknown
- 2000-02-03 AU AU23071/00A patent/AU774580B2/en not_active Expired
- 2000-02-03 ES ES00901771T patent/ES2304940T3/en not_active Expired - Lifetime
- 2000-02-03 DK DK00901771T patent/DK1151087T3/en active
- 2000-02-03 DE DE60038788T patent/DE60038788D1/en not_active Expired - Lifetime
- 2000-02-03 US US09/889,520 patent/US6913896B1/en not_active Expired - Lifetime
- 2000-02-03 EP EP00901771A patent/EP1151087B1/en not_active Expired - Lifetime
- 2000-02-03 WO PCT/GB2000/000315 patent/WO2000046357A1/en active IP Right Grant
- 2000-02-03 JP JP2000597417A patent/JP2002535985A/en active Pending
-
2005
- 2005-02-25 US US11/065,700 patent/US20050208608A1/en not_active Abandoned
-
2008
- 2008-10-14 US US12/285,766 patent/US20090186368A1/en not_active Abandoned
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